Finding the Third Proportional to 1,308 and 1,938
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Solution
The third proportional to 1,308 and 1,938 is: 2,871.44
Step by Step Solution
- Step 1: Write the proportion equation
1,308 : 1,938 = 1,938 : x - Step 2: Convert to fraction form
1,308/1,938 = 1,938/x - Step 3: Cross multiply
1,308x = 1,938 × 1,938 - Step 4: Simplify right side
1,308x = 3,755,844 - Step 5: Solve for x
x = 3,755,844/1,308 - Step 6: Final answer
x = 2,871.44
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.